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Your brain, says neuroscientist Ken Paller, is not like a laptop, shutting down when you close the lid. Instead, when you close your lids at night, your brain remains hard at work, consolidating information you’ve learned that day — and the days before.

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sleep learning
You can add climate change to the list of threats that might harm certain species of bees. A study done by Northwestern and the Chicago Botanic Garden found that warmer temperatures may drive local extinction of mason bees in naturally warm climates.

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paul caradonna bee researcher